GCD of 28, 322, 630, 989 Calculator

Given Input numbers are 28, 322, 630, 989

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 28

List of positive integer divisors of 28 that divides 28 without a remainder.

1, 2, 4, 7, 14, 28

Divisors of 322

List of positive integer divisors of 322 that divides 322 without a remainder.

1, 2, 7, 14, 23, 46, 161, 322

Divisors of 630

List of positive integer divisors of 630 that divides 630 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630

Divisors of 989

List of positive integer divisors of 989 that divides 989 without a remainder.

1, 23, 43, 989

Greatest Common Divisior

We found the divisors of 28, 322, 630, 989 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 28, 322, 630, 989 is 1.

Therefore, GCD of numbers 28, 322, 630, 989 is 1

Given Input Data is 28, 322, 630, 989

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 28 is 2 x 2 x 7

Prime Factorization of 322 is 2 x 7 x 23

Prime Factorization of 630 is 2 x 3 x 3 x 5 x 7

Prime Factorization of 989 is 23 x 43

The above numbers do not have any common prime factor. So GCD is 1

Step1:

Let's calculate the GCD of first two numbers

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(28, 322) = 644

GCD(28, 322) = ( 28 x 322 ) / 644

GCD(28, 322) = 9016 / 644

GCD(28, 322) = 14

Step2:

Here we consider the GCD from the above i.e. 14 as first number and the next as 630

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(14, 630) = 630

GCD(14, 630) = ( 14 x 630 ) / 630

GCD(14, 630) = 8820 / 630

GCD(14, 630) = 14

Step3:

Here we consider the GCD from the above i.e. 14 as first number and the next as 989

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(14, 989) = 13846

GCD(14, 989) = ( 14 x 989 ) / 13846

GCD(14, 989) = 13846 / 13846

GCD(14, 989) = 1

GCD of 28, 322, 630, 989 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 22, 301, 830, 750
• GCD of 24, 792, 977, 115
• GCD of 80, 851, 145, 729
• GCD of 83, 332, 888, 673
• GCD of 72, 989, 271, 784

1. What is the GCD of 28, 322, 630, 989?

GCD of 28, 322, 630, 989 is 1

2. Where do I get the detailed procedure to find GCD of 28, 322, 630, 989?

You can find a detailed procedure to find GCD of 28, 322, 630, 989 on our page.

3. How to find GCD of 28, 322, 630, 989 on a calculator?

You can find the GCD of 28, 322, 630, 989 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.